fix db_runtime attribute  value after raising ActionView::MissingTemplate exception
Merge pull request #9218 from Fivell/master

Fix calculation of db_runtime property in
ActiveRecord::Railties::ControllerRuntime#cleanup_view_runtime.

Previously, after raising ActionView::MissingTemplate, db_runtime was
not populated.

Closes #9218, Fixes #9215.

Conflicts:
	activerecord/CHANGELOG.md
There's no need to access Railties through self.class

Closes #9386
Improve docs for AbsC::Rendering
Revert "Merge pull request #9207 from dylanahsmith/mysql-quote-numeric"

This reverts commit 408227d9c5ed7de26310d72a1a99c1ee02311c63, reversing
changes made to dca0b57d03deffc933763482e615c3cf0b9a1d97.